/* Copyright (C) 2014 InfiniDB, Inc.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; version 2 of
   the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

/***********************************************************************
*   $Id: logicoperator.cpp 9210 2013-01-21 14:10:42Z rdempsey $
*
*
***********************************************************************/
#include <iostream>

#include "bytestream.h"
#include "objectreader.h"
#include "logicoperator.h"

using namespace std;

namespace
{

/**@brief util struct for converting string to lower case */
struct to_lower
{
    char operator() (char c) const
    {
        return tolower(c);
    }
};

//Trim any leading/trailing ws
const string lrtrim(const string& in)
{
    string::size_type p1;
    p1 = in.find_first_not_of(" \t\n");

    if (p1 == string::npos) p1 = 0;

    string::size_type p2;
    p2 = in.find_last_not_of(" \t\n");

    if (p2 == string::npos) p2 = in.size() - 1;

    return string(in, p1, (p2 - p1 + 1));
}

}

namespace execplan
{

/**
 * Constructors/Destructors
 */
LogicOperator::LogicOperator()
{
}

LogicOperator::LogicOperator(const string& operatorName)
{
    data(operatorName);
}

LogicOperator::LogicOperator(const LogicOperator& rhs) : Operator(rhs)
{
    data(rhs.fData);
}

LogicOperator:: ~LogicOperator()
{
}

/**
 * Operations
 */


/**
 * friend function
 */
ostream& operator<<(ostream& output, const LogicOperator& rhs)
{
    output << rhs.toString();
    return output;
}

/**
 * The serialization interface
 */
void LogicOperator::serialize(messageqcpp::ByteStream& b) const
{
    b << (ObjectReader::id_t) ObjectReader::LOGICOPERATOR;
    //b << fData;
    Operator::serialize(b);
}

void LogicOperator::unserialize(messageqcpp::ByteStream& b)
{
    ObjectReader::checkType(b, ObjectReader::LOGICOPERATOR);
    //b >> fData;
    Operator::unserialize(b);
}

bool LogicOperator::operator==(const LogicOperator& t) const
{
    if (data() == t.data())
        return true;

    return false;
}

bool LogicOperator::operator==(const TreeNode* t) const
{
    const LogicOperator* o;

    o = dynamic_cast<const LogicOperator*>(t);

    if (o == NULL)
        return false;

    return *this == *o;
}

bool LogicOperator::operator!=(const LogicOperator& t) const
{
    return (!(*this == t));
}

bool LogicOperator::operator!=(const TreeNode* t) const
{
    return (!(*this == t));
}

}  // namespace
